FocusCheck — Culling & Sharpness Recovery

Download

🪟

Windows

Windows 10 / 11 · 64-bit

Download .zip

🍎

Mac

macOS 11+ · Apple Silicon & Intel

Download .zip

🐧

Linux

Ubuntu 20.04+ · Debian · Arch

Download .zip

How It Works

✅

sharp/

In focus. Keepers. Ready to edit. Recovered images land here too.

🔧

fixable/

Soft but worth recovering. The recovery panel opens automatically for these.

🗑

rejected/

Too soft to rescue. Try recovery first — then delete the whole folder in one click.

Your originals are never touched. Everything is copied. You decide what to remove.

EXIF Blur Detection

Motion blur ≠ focus error

Most culling tools treat all soft images the same. FocusCheck reads the shutter speed from your EXIF data and applies a different recovery strategy depending on what actually caused the softness.

〜

Motion Blur

Shot at 1/250s or slower. The subject moved faster than the shutter. FocusCheck uses directional edge enhancement — better suited to recover movement smear than a radial filter.

⊙

Focus Error

Shot at faster than 1/250s. The subject was still but the focus missed. FocusCheck uses radial unsharp mask — the right tool for pulling detail back from a soft focus plane.

Shutter speed and blur type shown in the info bar for every image. List shows 〜 for motion · ⊙ for focus.

Features

🗂

Contact Sheet Selection

Sharp images copy automatically. Fixable and rejected go to a tap-to-select grid first. An image can be technically recoverable but still be a bad photo — wrong moment, bad composition. Deselect it. Only what you choose gets copied. Storage saved before it's ever used.

Auto-Calibrated Thresholds

No fixed global number. FocusCheck scores your whole folder first, then sets sharp / fixable / rejected thresholds relative to your actual shoot. A dark arena shoot and a bright outdoor shoot are judged on their own terms.

🎚

Laplacian-Guided Recovery

The recovery strength slider is pre-set from the score deficit — how far below the sharp threshold this image sits. Three tiers: Gentle · Medium · Strong. Each driven by the actual numbers, not a guess.

⧉

Split Compare

Left half original · right half recovered · white divider. Judge instantly whether the recovery helped or added noise before you commit to saving.

⚡

Batch Recovery

Apply recovery to all fixable images in one click. Each image uses its own score-calibrated parameters. Runs in the background — UI stays live.

👁

Preview Before Commit

Preview recovery on the full image before saving. Then switch to Split Compare for side-by-side judgment. Apply only when you are satisfied.

📁

Open Results Folder

One button opens FocusCheck_Results/ in your file manager. Drag your sharp/ folder straight into your editor. No hunting through the original folder.

The Workflow

1

Open your shoot folder

FocusCheck scores every image. Auto-calibrates thresholds to this shoot. Copies everything into sharp / fixable / rejected.

2

Review fixable images

Auto-jumps to first fixable. Recovery panel is pre-loaded with the right strength and strategy for each image based on its score and EXIF data.

3

Preview · Split · Apply or Batch

Preview individually. Use Split Compare to judge. Apply one at a time or hit Batch to process all fixable images at once.

4

Delete rejected in one click

Delete All Rejected wipes the rejected folder. Space freed instantly.

5

Open Results Folder — start editing

Your sharp/ folder contains keepers and recovered images. Open it straight from FocusCheck and drag into LocalShot, LocalRAW, or any editor.

Run from Source

Dependencies

opencv-python

Laplacian variance scoring

Required

Pillow

Image loading, preview, recovery, EXIF reading

Required

rawpy

RAW format support — CR2, NEF, ARW, DNG, RAF, ORF, RW2, CR3

Optional

# Required
pip install opencv-python Pillow

# Optional — enables RAW support
pip install rawpy

# Run
python focus_check.py

Python 3.8+ · tkinter included in standard Python

Available Languages

7 languages. Built in.

Switch language from the topbar. Arabic switches the interface to right-to-left automatically. No restart required.

ImageStream Local Suite

Tool	What it does
🎵 LocalBeat	Audio preparation — record, layer, mix offline
📸 LocalShot	Image editor — tone, color, crop, dehaze, sharpening
✂️ LocalClip	Video clipping and trimming
🎬 LocalEdit	Video editor
📷 LocalRAW	RAW image processing
🔍 FocusCheck	Sharpness culling, EXIF blur detection, recovery
🌸 BokehProStudio	Creative and editorial bokeh simulation
📚 Darkroom	SQL and Python crash courses — photography dataset

All tools are free forever · All run offline · No subscriptions · No accounts · No tracking